420245710 has 32 divisors (see below), whose sum is σ = 771573600. Its totient is φ = 164769792.

The previous prime is 420245701. The next prime is 420245717. The reversal of 420245710 is 17542024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420245717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101766 + ... + 105814.

It is an arithmetic number, because the mean of its divisors is an integer number (24111675).

Almost surely, 2^420245710 is an apocalyptic number.

420245710 is a deficient number, since it is larger than the sum of its proper divisors (351327890).

420245710 is a wasteful number, since it uses less digits than its factorization.

420245710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 420245710 is about 20499.8953655866. The cubic root of 420245710 is about 749.0332492074.

Adding to 420245710 its reverse (17542024), we get a palindrome (437787734).

The spelling of 420245710 in words is "four hundred twenty million, two hundred forty-five thousand, seven hundred ten".